package com.cym.utils;

import java.io.IOException;
import java.net.*;

public class TelnetUtils {
    public static boolean isRunning(String host, int port) {
        Socket sClient = null;
        try {
            SocketAddress saAdd = new InetSocketAddress(host.trim(), port);
            sClient = new Socket();
            sClient.connect(saAdd, 1000); // 设置超时 1s
        } catch (UnknownHostException e) {
            return false;
        } catch (SocketTimeoutException e) {
            return false;
        } catch (IOException e) {
            return false;
        } catch (Exception e) {
            return false;
        } finally {
            try {
                if (sClient != null) {
                    sClient.close();
                }
            } catch (Exception e) {
            }
        }
        return true;
    }

    public static void main(String[] args) {
        System.out.println(isRunning("127.0.0.1", 8080));
    }
}
